I have to disagreed on the idea of "we have a sample and galleries" such that we should stop post images on gear discussion forum.
If I want to share a image, the S&G is the right place to go.
But how about a question been asked, e.g. how to select P shooting mode, would it be the simplest to post a page extracted from manual of that particular model to show where the dial is and what options are there? Not to mention more complicated features.
How about some complaints on certain gear, e.g. the sharpness of a lens? Noisy of the camera at certain ISO etc etc. Post a sample taken from that specific setup can prove not a problem on the gear. Nothing more to argue/dispute.
How about some one praise his lens and trash the other? Just posted a field sharpness map of the lenses concerned to settle any disagreement...
All of the above must be best to have a sample posted in the thread as a directly reply. I suppose it would be 1000 times more effecient than post a link to the S&G asking the interested party to look at the sample there.
A picture is better than 1000 words.
So, IMHO it is a matter of would the posted samples appropriate for the discussion of the gear concerned.
My 2 cents.